Home / 7,519.50-10,376.91-4,207.50

Finding the Fourth Proportional to 7,519.50, 10,376.91 and 4,207.50

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Solution

The fourth proportional to 7,519.50, 10,376.91 and 4,207.50 is: 5,806.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.50 : 10,376.91 = 4,207.50 : x
  2. Step 2: Convert to fraction form
    7,519.50/10,376.91 = 4,207.50/x
  3. Step 3: Cross multiply
    7,519.50x = 10,376.91 × 4,207.50
  4. Step 4: Simplify right side
    7,519.50x = 43,660,848.83
  5. Step 5: Solve for x
    x = 43,660,848.83/7,519.50
  6. Step 6: Final answer
    x = 5,806.35

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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.