Home / 6,001.40-9,002.10-2,106.20

Finding the Fourth Proportional to 6,001.40, 9,002.10 and 2,106.20

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Solution

The fourth proportional to 6,001.40, 9,002.10 and 2,106.20 is: 3,159.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,001.40 : 9,002.10 = 2,106.20 : x
  2. Step 2: Convert to fraction form
    6,001.40/9,002.10 = 2,106.20/x
  3. Step 3: Cross multiply
    6,001.40x = 9,002.10 × 2,106.20
  4. Step 4: Simplify right side
    6,001.40x = 18,960,223.02
  5. Step 5: Solve for x
    x = 18,960,223.02/6,001.40
  6. Step 6: Final answer
    x = 3,159.30

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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.