Home / 5,335.36-8,001.84-1,440.08

Finding the Fourth Proportional to 5,335.36, 8,001.84 and 1,440.08

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Solution

The fourth proportional to 5,335.36, 8,001.84 and 1,440.08 is: 2,159.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335.36 : 8,001.84 = 1,440.08 : x
  2. Step 2: Convert to fraction form
    5,335.36/8,001.84 = 1,440.08/x
  3. Step 3: Cross multiply
    5,335.36x = 8,001.84 × 1,440.08
  4. Step 4: Simplify right side
    5,335.36x = 11,523,289.75
  5. Step 5: Solve for x
    x = 11,523,289.75/5,335.36
  6. Step 6: Final answer
    x = 2,159.80

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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.