Home / 9,421.08-13,000.44-5,229

Finding the Fourth Proportional to 9,421.08, 13,000.44 and 5,229

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Solution

The fourth proportional to 9,421.08, 13,000.44 and 5,229 is: 7,215.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.08 : 13,000.44 = 5,229 : x
  2. Step 2: Convert to fraction form
    9,421.08/13,000.44 = 5,229/x
  3. Step 3: Cross multiply
    9,421.08x = 13,000.44 × 5,229
  4. Step 4: Simplify right side
    9,421.08x = 67,979,300.76
  5. Step 5: Solve for x
    x = 67,979,300.76/9,421.08
  6. Step 6: Final answer
    x = 7,215.66

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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.