Home / 4,778.65-7,167.98-1,492.08

Finding the Fourth Proportional to 4,778.65, 7,167.98 and 1,492.08

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Solution

The fourth proportional to 4,778.65, 7,167.98 and 1,492.08 is: 2,238.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.65 : 7,167.98 = 1,492.08 : x
  2. Step 2: Convert to fraction form
    4,778.65/7,167.98 = 1,492.08/x
  3. Step 3: Cross multiply
    4,778.65x = 7,167.98 × 1,492.08
  4. Step 4: Simplify right side
    4,778.65x = 10,695,199.60
  5. Step 5: Solve for x
    x = 10,695,199.60/4,778.65
  6. Step 6: Final answer
    x = 2,238.12

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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.