Home / 8,990.04-13,488.30-4,609.56

Finding the Fourth Proportional to 8,990.04, 13,488.30 and 4,609.56

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Solution

The fourth proportional to 8,990.04, 13,488.30 and 4,609.56 is: 6,916.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,990.04 : 13,488.30 = 4,609.56 : x
  2. Step 2: Convert to fraction form
    8,990.04/13,488.30 = 4,609.56/x
  3. Step 3: Cross multiply
    8,990.04x = 13,488.30 × 4,609.56
  4. Step 4: Simplify right side
    8,990.04x = 62,175,128.15
  5. Step 5: Solve for x
    x = 62,175,128.15/8,990.04
  6. Step 6: Final answer
    x = 6,916.00

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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.