Home / 7,869.18-10,859.47-4,332.39

Finding the Fourth Proportional to 7,869.18, 10,859.47 and 4,332.39

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Solution

The fourth proportional to 7,869.18, 10,859.47 and 4,332.39 is: 5,978.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.18 : 10,859.47 = 4,332.39 : x
  2. Step 2: Convert to fraction form
    7,869.18/10,859.47 = 4,332.39/x
  3. Step 3: Cross multiply
    7,869.18x = 10,859.47 × 4,332.39
  4. Step 4: Simplify right side
    7,869.18x = 47,047,459.23
  5. Step 5: Solve for x
    x = 47,047,459.23/7,869.18
  6. Step 6: Final answer
    x = 5,978.70

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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.