Home / 8,902.02-13,354.64-2,978.35

Finding the Fourth Proportional to 8,902.02, 13,354.64 and 2,978.35

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Solution

The fourth proportional to 8,902.02, 13,354.64 and 2,978.35 is: 4,468.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902.02 : 13,354.64 = 2,978.35 : x
  2. Step 2: Convert to fraction form
    8,902.02/13,354.64 = 2,978.35/x
  3. Step 3: Cross multiply
    8,902.02x = 13,354.64 × 2,978.35
  4. Step 4: Simplify right side
    8,902.02x = 39,774,792.04
  5. Step 5: Solve for x
    x = 39,774,792.04/8,902.02
  6. Step 6: Final answer
    x = 4,468.06

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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.