Home / 4,772.34-7,158.51-1,485.63

Finding the Fourth Proportional to 4,772.34, 7,158.51 and 1,485.63

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Solution

The fourth proportional to 4,772.34, 7,158.51 and 1,485.63 is: 2,228.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,772.34 : 7,158.51 = 1,485.63 : x
  2. Step 2: Convert to fraction form
    4,772.34/7,158.51 = 1,485.63/x
  3. Step 3: Cross multiply
    4,772.34x = 7,158.51 × 1,485.63
  4. Step 4: Simplify right side
    4,772.34x = 10,634,897.21
  5. Step 5: Solve for x
    x = 10,634,897.21/4,772.34
  6. Step 6: Final answer
    x = 2,228.45

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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.