Home / 6,615.19-9,925.35-2,920.24

Finding the Fourth Proportional to 6,615.19, 9,925.35 and 2,920.24

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Solution

The fourth proportional to 6,615.19, 9,925.35 and 2,920.24 is: 4,381.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,615.19 : 9,925.35 = 2,920.24 : x
  2. Step 2: Convert to fraction form
    6,615.19/9,925.35 = 2,920.24/x
  3. Step 3: Cross multiply
    6,615.19x = 9,925.35 × 2,920.24
  4. Step 4: Simplify right side
    6,615.19x = 28,984,404.08
  5. Step 5: Solve for x
    x = 28,984,404.08/6,615.19
  6. Step 6: Final answer
    x = 4,381.49

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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.