Home / 8,368.04-12,535.49-6,290.39

Finding the Fourth Proportional to 8,368.04, 12,535.49 and 6,290.39

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Solution

The fourth proportional to 8,368.04, 12,535.49 and 6,290.39 is: 9,423.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368.04 : 12,535.49 = 6,290.39 : x
  2. Step 2: Convert to fraction form
    8,368.04/12,535.49 = 6,290.39/x
  3. Step 3: Cross multiply
    8,368.04x = 12,535.49 × 6,290.39
  4. Step 4: Simplify right side
    8,368.04x = 78,853,168.01
  5. Step 5: Solve for x
    x = 78,853,168.01/8,368.04
  6. Step 6: Final answer
    x = 9,423.13

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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.