Home / 7,875.24-11,812.05-3,714.18

Finding the Fourth Proportional to 7,875.24, 11,812.05 and 3,714.18

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Solution

The fourth proportional to 7,875.24, 11,812.05 and 3,714.18 is: 5,570.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875.24 : 11,812.05 = 3,714.18 : x
  2. Step 2: Convert to fraction form
    7,875.24/11,812.05 = 3,714.18/x
  3. Step 3: Cross multiply
    7,875.24x = 11,812.05 × 3,714.18
  4. Step 4: Simplify right side
    7,875.24x = 43,872,079.87
  5. Step 5: Solve for x
    x = 43,872,079.87/7,875.24
  6. Step 6: Final answer
    x = 5,570.89

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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.