Home / 5,320.02-7,980.03-2,394.90

Finding the Fourth Proportional to 5,320.02, 7,980.03 and 2,394.90

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Solution

The fourth proportional to 5,320.02, 7,980.03 and 2,394.90 is: 3,592.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.02 : 7,980.03 = 2,394.90 : x
  2. Step 2: Convert to fraction form
    5,320.02/7,980.03 = 2,394.90/x
  3. Step 3: Cross multiply
    5,320.02x = 7,980.03 × 2,394.90
  4. Step 4: Simplify right side
    5,320.02x = 19,111,373.85
  5. Step 5: Solve for x
    x = 19,111,373.85/5,320.02
  6. Step 6: Final answer
    x = 3,592.35

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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.