Home / 8,971.80-12,377.76-5,433.72

Finding the Fourth Proportional to 8,971.80, 12,377.76 and 5,433.72

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Solution

The fourth proportional to 8,971.80, 12,377.76 and 5,433.72 is: 7,496.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971.80 : 12,377.76 = 5,433.72 : x
  2. Step 2: Convert to fraction form
    8,971.80/12,377.76 = 5,433.72/x
  3. Step 3: Cross multiply
    8,971.80x = 12,377.76 × 5,433.72
  4. Step 4: Simplify right side
    8,971.80x = 67,257,282.07
  5. Step 5: Solve for x
    x = 67,257,282.07/8,971.80
  6. Step 6: Final answer
    x = 7,496.52

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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.