Home / 4,001.60-6,001.70-1,079.53

Finding the Fourth Proportional to 4,001.60, 6,001.70 and 1,079.53

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Solution

The fourth proportional to 4,001.60, 6,001.70 and 1,079.53 is: 1,619.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001.60 : 6,001.70 = 1,079.53 : x
  2. Step 2: Convert to fraction form
    4,001.60/6,001.70 = 1,079.53/x
  3. Step 3: Cross multiply
    4,001.60x = 6,001.70 × 1,079.53
  4. Step 4: Simplify right side
    4,001.60x = 6,478,994.80
  5. Step 5: Solve for x
    x = 6,478,994.80/4,001.60
  6. Step 6: Final answer
    x = 1,619.10

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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.