Home / 7,259.49-10,018.08-4,115.70

Finding the Fourth Proportional to 7,259.49, 10,018.08 and 4,115.70

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Solution

The fourth proportional to 7,259.49, 10,018.08 and 4,115.70 is: 5,679.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,259.49 : 10,018.08 = 4,115.70 : x
  2. Step 2: Convert to fraction form
    7,259.49/10,018.08 = 4,115.70/x
  3. Step 3: Cross multiply
    7,259.49x = 10,018.08 × 4,115.70
  4. Step 4: Simplify right side
    7,259.49x = 41,231,411.86
  5. Step 5: Solve for x
    x = 41,231,411.86/7,259.49
  6. Step 6: Final answer
    x = 5,679.66

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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.