Home / 8,933.90-12,325.50-5,395.82

Finding the Fourth Proportional to 8,933.90, 12,325.50 and 5,395.82

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Solution

The fourth proportional to 8,933.90, 12,325.50 and 5,395.82 is: 7,444.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,933.90 : 12,325.50 = 5,395.82 : x
  2. Step 2: Convert to fraction form
    8,933.90/12,325.50 = 5,395.82/x
  3. Step 3: Cross multiply
    8,933.90x = 12,325.50 × 5,395.82
  4. Step 4: Simplify right side
    8,933.90x = 66,506,117.78
  5. Step 5: Solve for x
    x = 66,506,117.78/8,933.90
  6. Step 6: Final answer
    x = 7,444.25

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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.