Home / 4,712.78-7,069.26-1,250.06

Finding the Fourth Proportional to 4,712.78, 7,069.26 and 1,250.06

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Solution

The fourth proportional to 4,712.78, 7,069.26 and 1,250.06 is: 1,875.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.78 : 7,069.26 = 1,250.06 : x
  2. Step 2: Convert to fraction form
    4,712.78/7,069.26 = 1,250.06/x
  3. Step 3: Cross multiply
    4,712.78x = 7,069.26 × 1,250.06
  4. Step 4: Simplify right side
    4,712.78x = 8,836,999.16
  5. Step 5: Solve for x
    x = 8,836,999.16/4,712.78
  6. Step 6: Final answer
    x = 1,875.11

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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.