Home / 7,623.76-10,517.70-4,637.20

Finding the Fourth Proportional to 7,623.76, 10,517.70 and 4,637.20

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Solution

The fourth proportional to 7,623.76, 10,517.70 and 4,637.20 is: 6,397.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.76 : 10,517.70 = 4,637.20 : x
  2. Step 2: Convert to fraction form
    7,623.76/10,517.70 = 4,637.20/x
  3. Step 3: Cross multiply
    7,623.76x = 10,517.70 × 4,637.20
  4. Step 4: Simplify right side
    7,623.76x = 48,772,678.44
  5. Step 5: Solve for x
    x = 48,772,678.44/7,623.76
  6. Step 6: Final answer
    x = 6,397.46

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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.