Home / 9,283.42-12,811.46-6,637.15

Finding the Fourth Proportional to 9,283.42, 12,811.46 and 6,637.15

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Solution

The fourth proportional to 9,283.42, 12,811.46 and 6,637.15 is: 9,159.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,283.42 : 12,811.46 = 6,637.15 : x
  2. Step 2: Convert to fraction form
    9,283.42/12,811.46 = 6,637.15/x
  3. Step 3: Cross multiply
    9,283.42x = 12,811.46 × 6,637.15
  4. Step 4: Simplify right side
    9,283.42x = 85,031,564.57
  5. Step 5: Solve for x
    x = 85,031,564.57/9,283.42
  6. Step 6: Final answer
    x = 9,159.51

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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.