Home / 10,780.79-14,878.85-6,065.98

Finding the Fourth Proportional to 10,780.79, 14,878.85 and 6,065.98

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Solution

The fourth proportional to 10,780.79, 14,878.85 and 6,065.98 is: 8,371.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780.79 : 14,878.85 = 6,065.98 : x
  2. Step 2: Convert to fraction form
    10,780.79/14,878.85 = 6,065.98/x
  3. Step 3: Cross multiply
    10,780.79x = 14,878.85 × 6,065.98
  4. Step 4: Simplify right side
    10,780.79x = 90,254,739.00
  5. Step 5: Solve for x
    x = 90,254,739.00/10,780.79
  6. Step 6: Final answer
    x = 8,371.82

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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.