Home / 7,487.18-10,330.95-4,655.30

Finding the Fourth Proportional to 7,487.18, 10,330.95 and 4,655.30

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Solution

The fourth proportional to 7,487.18, 10,330.95 and 4,655.30 is: 6,423.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.18 : 10,330.95 = 4,655.30 : x
  2. Step 2: Convert to fraction form
    7,487.18/10,330.95 = 4,655.30/x
  3. Step 3: Cross multiply
    7,487.18x = 10,330.95 × 4,655.30
  4. Step 4: Simplify right side
    7,487.18x = 48,093,671.54
  5. Step 5: Solve for x
    x = 48,093,671.54/7,487.18
  6. Step 6: Final answer
    x = 6,423.47

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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.