Home / 5,285.56-7,277.47-4,487.23

Finding the Fourth Proportional to 5,285.56, 7,277.47 and 4,487.23

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Solution

The fourth proportional to 5,285.56, 7,277.47 and 4,487.23 is: 6,178.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.56 : 7,277.47 = 4,487.23 : x
  2. Step 2: Convert to fraction form
    5,285.56/7,277.47 = 4,487.23/x
  3. Step 3: Cross multiply
    5,285.56x = 7,277.47 × 4,487.23
  4. Step 4: Simplify right side
    5,285.56x = 32,655,669.12
  5. Step 5: Solve for x
    x = 32,655,669.12/5,285.56
  6. Step 6: Final answer
    x = 6,178.28

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.