Home / 9,254.85-12,770.93-5,275.21

Finding the Fourth Proportional to 9,254.85, 12,770.93 and 5,275.21

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Solution

The fourth proportional to 9,254.85, 12,770.93 and 5,275.21 is: 7,279.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,254.85 : 12,770.93 = 5,275.21 : x
  2. Step 2: Convert to fraction form
    9,254.85/12,770.93 = 5,275.21/x
  3. Step 3: Cross multiply
    9,254.85x = 12,770.93 × 5,275.21
  4. Step 4: Simplify right side
    9,254.85x = 67,369,337.65
  5. Step 5: Solve for x
    x = 67,369,337.65/9,254.85
  6. Step 6: Final answer
    x = 7,279.35

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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.