Home / 7,130.02-10,695.05-4,204.30

Finding the Fourth Proportional to 7,130.02, 10,695.05 and 4,204.30

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Solution

The fourth proportional to 7,130.02, 10,695.05 and 4,204.30 is: 6,306.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130.02 : 10,695.05 = 4,204.30 : x
  2. Step 2: Convert to fraction form
    7,130.02/10,695.05 = 4,204.30/x
  3. Step 3: Cross multiply
    7,130.02x = 10,695.05 × 4,204.30
  4. Step 4: Simplify right side
    7,130.02x = 44,965,198.72
  5. Step 5: Solve for x
    x = 44,965,198.72/7,130.02
  6. Step 6: Final answer
    x = 6,306.46

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.