Home / 8,895.48-12,274.51-5,117.21

Finding the Fourth Proportional to 8,895.48, 12,274.51 and 5,117.21

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Solution

The fourth proportional to 8,895.48, 12,274.51 and 5,117.21 is: 7,061.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,895.48 : 12,274.51 = 5,117.21 : x
  2. Step 2: Convert to fraction form
    8,895.48/12,274.51 = 5,117.21/x
  3. Step 3: Cross multiply
    8,895.48x = 12,274.51 × 5,117.21
  4. Step 4: Simplify right side
    8,895.48x = 62,811,171.15
  5. Step 5: Solve for x
    x = 62,811,171.15/8,895.48
  6. Step 6: Final answer
    x = 7,061.02

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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.