Home / 5,445.02-8,169.35-2,159.06

Finding the Fourth Proportional to 5,445.02, 8,169.35 and 2,159.06

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Solution

The fourth proportional to 5,445.02, 8,169.35 and 2,159.06 is: 3,239.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.02 : 8,169.35 = 2,159.06 : x
  2. Step 2: Convert to fraction form
    5,445.02/8,169.35 = 2,159.06/x
  3. Step 3: Cross multiply
    5,445.02x = 8,169.35 × 2,159.06
  4. Step 4: Simplify right side
    5,445.02x = 17,638,065.17
  5. Step 5: Solve for x
    x = 17,638,065.17/5,445.02
  6. Step 6: Final answer
    x = 3,239.31

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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.