Home / 7,549.06-11,312.65-4,255.15

Finding the Fourth Proportional to 7,549.06, 11,312.65 and 4,255.15

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Solution

The fourth proportional to 7,549.06, 11,312.65 and 4,255.15 is: 6,376.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,549.06 : 11,312.65 = 4,255.15 : x
  2. Step 2: Convert to fraction form
    7,549.06/11,312.65 = 4,255.15/x
  3. Step 3: Cross multiply
    7,549.06x = 11,312.65 × 4,255.15
  4. Step 4: Simplify right side
    7,549.06x = 48,136,966.08
  5. Step 5: Solve for x
    x = 48,136,966.08/7,549.06
  6. Step 6: Final answer
    x = 6,376.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.