Home / 7,515.54-10,369.80-4,370.04

Finding the Fourth Proportional to 7,515.54, 10,369.80 and 4,370.04

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Solution

The fourth proportional to 7,515.54, 10,369.80 and 4,370.04 is: 6,029.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.54 : 10,369.80 = 4,370.04 : x
  2. Step 2: Convert to fraction form
    7,515.54/10,369.80 = 4,370.04/x
  3. Step 3: Cross multiply
    7,515.54x = 10,369.80 × 4,370.04
  4. Step 4: Simplify right side
    7,515.54x = 45,316,440.79
  5. Step 5: Solve for x
    x = 45,316,440.79/7,515.54
  6. Step 6: Final answer
    x = 6,029.70

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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.