Home / 9,001.61-12,421.34-5,225.03

Finding the Fourth Proportional to 9,001.61, 12,421.34 and 5,225.03

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Solution

The fourth proportional to 9,001.61, 12,421.34 and 5,225.03 is: 7,210.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,001.61 : 12,421.34 = 5,225.03 : x
  2. Step 2: Convert to fraction form
    9,001.61/12,421.34 = 5,225.03/x
  3. Step 3: Cross multiply
    9,001.61x = 12,421.34 × 5,225.03
  4. Step 4: Simplify right side
    9,001.61x = 64,901,785.91
  5. Step 5: Solve for x
    x = 64,901,785.91/9,001.61
  6. Step 6: Final answer
    x = 7,210.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.