Home / 8,557.50-11,809.45-5,020.77

Finding the Fourth Proportional to 8,557.50, 11,809.45 and 5,020.77

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Solution

The fourth proportional to 8,557.50, 11,809.45 and 5,020.77 is: 6,928.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557.50 : 11,809.45 = 5,020.77 : x
  2. Step 2: Convert to fraction form
    8,557.50/11,809.45 = 5,020.77/x
  3. Step 3: Cross multiply
    8,557.50x = 11,809.45 × 5,020.77
  4. Step 4: Simplify right side
    8,557.50x = 59,292,554.60
  5. Step 5: Solve for x
    x = 59,292,554.60/8,557.50
  6. Step 6: Final answer
    x = 6,928.72

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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.