Home / 4,718.30-7,077.45-4,430.30

Finding the Fourth Proportional to 4,718.30, 7,077.45 and 4,430.30

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Solution

The fourth proportional to 4,718.30, 7,077.45 and 4,430.30 is: 6,645.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,718.30 : 7,077.45 = 4,430.30 : x
  2. Step 2: Convert to fraction form
    4,718.30/7,077.45 = 4,430.30/x
  3. Step 3: Cross multiply
    4,718.30x = 7,077.45 × 4,430.30
  4. Step 4: Simplify right side
    4,718.30x = 31,355,226.74
  5. Step 5: Solve for x
    x = 31,355,226.74/4,718.30
  6. Step 6: Final answer
    x = 6,645.45

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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.