Home / 7,740.39-10,681.95-4,553.91

Finding the Fourth Proportional to 7,740.39, 10,681.95 and 4,553.91

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Solution

The fourth proportional to 7,740.39, 10,681.95 and 4,553.91 is: 6,284.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.39 : 10,681.95 = 4,553.91 : x
  2. Step 2: Convert to fraction form
    7,740.39/10,681.95 = 4,553.91/x
  3. Step 3: Cross multiply
    7,740.39x = 10,681.95 × 4,553.91
  4. Step 4: Simplify right side
    7,740.39x = 48,644,638.92
  5. Step 5: Solve for x
    x = 48,644,638.92/7,740.39
  6. Step 6: Final answer
    x = 6,284.52

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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.