Home / 8,557.56-11,809.32-4,780.49

Finding the Fourth Proportional to 8,557.56, 11,809.32 and 4,780.49

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Solution

The fourth proportional to 8,557.56, 11,809.32 and 4,780.49 is: 6,597.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557.56 : 11,809.32 = 4,780.49 : x
  2. Step 2: Convert to fraction form
    8,557.56/11,809.32 = 4,780.49/x
  3. Step 3: Cross multiply
    8,557.56x = 11,809.32 × 4,780.49
  4. Step 4: Simplify right side
    8,557.56x = 56,454,277.12
  5. Step 5: Solve for x
    x = 56,454,277.12/8,557.56
  6. Step 6: Final answer
    x = 6,597.01

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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.