Home / 8,341.11-12,516.75-4,395.20

Finding the Fourth Proportional to 8,341.11, 12,516.75 and 4,395.20

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Solution

The fourth proportional to 8,341.11, 12,516.75 and 4,395.20 is: 6,595.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,341.11 : 12,516.75 = 4,395.20 : x
  2. Step 2: Convert to fraction form
    8,341.11/12,516.75 = 4,395.20/x
  3. Step 3: Cross multiply
    8,341.11x = 12,516.75 × 4,395.20
  4. Step 4: Simplify right side
    8,341.11x = 55,013,557.02
  5. Step 5: Solve for x
    x = 55,013,557.02/8,341.11
  6. Step 6: Final answer
    x = 6,595.47

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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.