Home / 8,047.80-11,111.16-6,559.29

Finding the Fourth Proportional to 8,047.80, 11,111.16 and 6,559.29

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Solution

The fourth proportional to 8,047.80, 11,111.16 and 6,559.29 is: 9,056.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,047.80 : 11,111.16 = 6,559.29 : x
  2. Step 2: Convert to fraction form
    8,047.80/11,111.16 = 6,559.29/x
  3. Step 3: Cross multiply
    8,047.80x = 11,111.16 × 6,559.29
  4. Step 4: Simplify right side
    8,047.80x = 72,881,320.68
  5. Step 5: Solve for x
    x = 72,881,320.68/8,047.80
  6. Step 6: Final answer
    x = 9,056.06

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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.