Home / 7,900.23-10,901.87-4,717.12

Finding the Fourth Proportional to 7,900.23, 10,901.87 and 4,717.12

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Solution

The fourth proportional to 7,900.23, 10,901.87 and 4,717.12 is: 6,509.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,900.23 : 10,901.87 = 4,717.12 : x
  2. Step 2: Convert to fraction form
    7,900.23/10,901.87 = 4,717.12/x
  3. Step 3: Cross multiply
    7,900.23x = 10,901.87 × 4,717.12
  4. Step 4: Simplify right side
    7,900.23x = 51,425,473.96
  5. Step 5: Solve for x
    x = 51,425,473.96/7,900.23
  6. Step 6: Final answer
    x = 6,509.36

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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.