Home / 8,160.04-12,240.18-2,316.66

Finding the Fourth Proportional to 8,160.04, 12,240.18 and 2,316.66

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Solution

The fourth proportional to 8,160.04, 12,240.18 and 2,316.66 is: 3,475.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.04 : 12,240.18 = 2,316.66 : x
  2. Step 2: Convert to fraction form
    8,160.04/12,240.18 = 2,316.66/x
  3. Step 3: Cross multiply
    8,160.04x = 12,240.18 × 2,316.66
  4. Step 4: Simplify right side
    8,160.04x = 28,356,335.40
  5. Step 5: Solve for x
    x = 28,356,335.40/8,160.04
  6. Step 6: Final answer
    x = 3,475.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.