Home / 7,385.17-10,191.01-4,155.46

Finding the Fourth Proportional to 7,385.17, 10,191.01 and 4,155.46

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Solution

The fourth proportional to 7,385.17, 10,191.01 and 4,155.46 is: 5,734.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.17 : 10,191.01 = 4,155.46 : x
  2. Step 2: Convert to fraction form
    7,385.17/10,191.01 = 4,155.46/x
  3. Step 3: Cross multiply
    7,385.17x = 10,191.01 × 4,155.46
  4. Step 4: Simplify right side
    7,385.17x = 42,348,334.41
  5. Step 5: Solve for x
    x = 42,348,334.41/7,385.17
  6. Step 6: Final answer
    x = 5,734.24

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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.