Home / 7,685.28-10,607.76-4,542.48

Finding the Fourth Proportional to 7,685.28, 10,607.76 and 4,542.48

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Solution

The fourth proportional to 7,685.28, 10,607.76 and 4,542.48 is: 6,269.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685.28 : 10,607.76 = 4,542.48 : x
  2. Step 2: Convert to fraction form
    7,685.28/10,607.76 = 4,542.48/x
  3. Step 3: Cross multiply
    7,685.28x = 10,607.76 × 4,542.48
  4. Step 4: Simplify right side
    7,685.28x = 48,185,537.64
  5. Step 5: Solve for x
    x = 48,185,537.64/7,685.28
  6. Step 6: Final answer
    x = 6,269.85

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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.