Home / 7,496.98-10,345.85-4,139.80

Finding the Fourth Proportional to 7,496.98, 10,345.85 and 4,139.80

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Solution

The fourth proportional to 7,496.98, 10,345.85 and 4,139.80 is: 5,712.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,496.98 : 10,345.85 = 4,139.80 : x
  2. Step 2: Convert to fraction form
    7,496.98/10,345.85 = 4,139.80/x
  3. Step 3: Cross multiply
    7,496.98x = 10,345.85 × 4,139.80
  4. Step 4: Simplify right side
    7,496.98x = 42,829,729.13
  5. Step 5: Solve for x
    x = 42,829,729.13/7,496.98
  6. Step 6: Final answer
    x = 5,712.93

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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.