Home / 8,941.46-12,340.35-5,404.79

Finding the Fourth Proportional to 8,941.46, 12,340.35 and 5,404.79

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Solution

The fourth proportional to 8,941.46, 12,340.35 and 5,404.79 is: 7,459.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,941.46 : 12,340.35 = 5,404.79 : x
  2. Step 2: Convert to fraction form
    8,941.46/12,340.35 = 5,404.79/x
  3. Step 3: Cross multiply
    8,941.46x = 12,340.35 × 5,404.79
  4. Step 4: Simplify right side
    8,941.46x = 66,697,031.13
  5. Step 5: Solve for x
    x = 66,697,031.13/8,941.46
  6. Step 6: Final answer
    x = 7,459.30

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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.