Home / 9,294.12-12,827.16-5,315.45

Finding the Fourth Proportional to 9,294.12, 12,827.16 and 5,315.45

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Solution

The fourth proportional to 9,294.12, 12,827.16 and 5,315.45 is: 7,336.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,294.12 : 12,827.16 = 5,315.45 : x
  2. Step 2: Convert to fraction form
    9,294.12/12,827.16 = 5,315.45/x
  3. Step 3: Cross multiply
    9,294.12x = 12,827.16 × 5,315.45
  4. Step 4: Simplify right side
    9,294.12x = 68,182,063.49
  5. Step 5: Solve for x
    x = 68,182,063.49/9,294.12
  6. Step 6: Final answer
    x = 7,336.04

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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.