Home / 8,240.04-12,345.66-6,862.24

Finding the Fourth Proportional to 8,240.04, 12,345.66 and 6,862.24

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Solution

The fourth proportional to 8,240.04, 12,345.66 and 6,862.24 is: 10,281.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240.04 : 12,345.66 = 6,862.24 : x
  2. Step 2: Convert to fraction form
    8,240.04/12,345.66 = 6,862.24/x
  3. Step 3: Cross multiply
    8,240.04x = 12,345.66 × 6,862.24
  4. Step 4: Simplify right side
    8,240.04x = 84,718,881.88
  5. Step 5: Solve for x
    x = 84,718,881.88/8,240.04
  6. Step 6: Final answer
    x = 10,281.37

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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.