Home / 10,440.05-15,657.64-4,888.10

Finding the Fourth Proportional to 10,440.05, 15,657.64 and 4,888.10

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Solution

The fourth proportional to 10,440.05, 15,657.64 and 4,888.10 is: 7,331.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440.05 : 15,657.64 = 4,888.10 : x
  2. Step 2: Convert to fraction form
    10,440.05/15,657.64 = 4,888.10/x
  3. Step 3: Cross multiply
    10,440.05x = 15,657.64 × 4,888.10
  4. Step 4: Simplify right side
    10,440.05x = 76,536,137.01
  5. Step 5: Solve for x
    x = 76,536,137.01/10,440.05
  6. Step 6: Final answer
    x = 7,331.02

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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.