Home / 5,024.13-7,533.48-3,990.78

Finding the Fourth Proportional to 5,024.13, 7,533.48 and 3,990.78

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Solution

The fourth proportional to 5,024.13, 7,533.48 and 3,990.78 is: 5,984.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,024.13 : 7,533.48 = 3,990.78 : x
  2. Step 2: Convert to fraction form
    5,024.13/7,533.48 = 3,990.78/x
  3. Step 3: Cross multiply
    5,024.13x = 7,533.48 × 3,990.78
  4. Step 4: Simplify right side
    5,024.13x = 30,064,461.31
  5. Step 5: Solve for x
    x = 30,064,461.31/5,024.13
  6. Step 6: Final answer
    x = 5,984.01

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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.