Home / 6,970.86-10,447.18-5,990.36

Finding the Fourth Proportional to 6,970.86, 10,447.18 and 5,990.36

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Solution

The fourth proportional to 6,970.86, 10,447.18 and 5,990.36 is: 8,977.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,970.86 : 10,447.18 = 5,990.36 : x
  2. Step 2: Convert to fraction form
    6,970.86/10,447.18 = 5,990.36/x
  3. Step 3: Cross multiply
    6,970.86x = 10,447.18 × 5,990.36
  4. Step 4: Simplify right side
    6,970.86x = 62,582,301.97
  5. Step 5: Solve for x
    x = 62,582,301.97/6,970.86
  6. Step 6: Final answer
    x = 8,977.70

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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.