Home / 7,899.18-10,900.47-4,362.31

Finding the Fourth Proportional to 7,899.18, 10,900.47 and 4,362.31

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Solution

The fourth proportional to 7,899.18, 10,900.47 and 4,362.31 is: 6,019.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899.18 : 10,900.47 = 4,362.31 : x
  2. Step 2: Convert to fraction form
    7,899.18/10,900.47 = 4,362.31/x
  3. Step 3: Cross multiply
    7,899.18x = 10,900.47 × 4,362.31
  4. Step 4: Simplify right side
    7,899.18x = 47,551,229.29
  5. Step 5: Solve for x
    x = 47,551,229.29/7,899.18
  6. Step 6: Final answer
    x = 6,019.77

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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.