Home / 8,124.04-11,211.38-4,981.96

Finding the Fourth Proportional to 8,124.04, 11,211.38 and 4,981.96

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Solution

The fourth proportional to 8,124.04, 11,211.38 and 4,981.96 is: 6,875.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.04 : 11,211.38 = 4,981.96 : x
  2. Step 2: Convert to fraction form
    8,124.04/11,211.38 = 4,981.96/x
  3. Step 3: Cross multiply
    8,124.04x = 11,211.38 × 4,981.96
  4. Step 4: Simplify right side
    8,124.04x = 55,854,646.70
  5. Step 5: Solve for x
    x = 55,854,646.70/8,124.04
  6. Step 6: Final answer
    x = 6,875.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.