Home / 5,325.04-7,987.60-1,429.36

Finding the Fourth Proportional to 5,325.04, 7,987.60 and 1,429.36

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Solution

The fourth proportional to 5,325.04, 7,987.60 and 1,429.36 is: 2,144.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.04 : 7,987.60 = 1,429.36 : x
  2. Step 2: Convert to fraction form
    5,325.04/7,987.60 = 1,429.36/x
  3. Step 3: Cross multiply
    5,325.04x = 7,987.60 × 1,429.36
  4. Step 4: Simplify right side
    5,325.04x = 11,417,155.94
  5. Step 5: Solve for x
    x = 11,417,155.94/5,325.04
  6. Step 6: Final answer
    x = 2,144.05

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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.