Home / 4,770.24-7,155.36-1,307.52

Finding the Fourth Proportional to 4,770.24, 7,155.36 and 1,307.52

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Solution

The fourth proportional to 4,770.24, 7,155.36 and 1,307.52 is: 1,961.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.24 : 7,155.36 = 1,307.52 : x
  2. Step 2: Convert to fraction form
    4,770.24/7,155.36 = 1,307.52/x
  3. Step 3: Cross multiply
    4,770.24x = 7,155.36 × 1,307.52
  4. Step 4: Simplify right side
    4,770.24x = 9,355,776.31
  5. Step 5: Solve for x
    x = 9,355,776.31/4,770.24
  6. Step 6: Final answer
    x = 1,961.28

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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.