Home / 6,899.18-9,520.00-4,065.93

Finding the Fourth Proportional to 6,899.18, 9,520.00 and 4,065.93

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Solution

The fourth proportional to 6,899.18, 9,520.00 and 4,065.93 is: 5,610.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.18 : 9,520.00 = 4,065.93 : x
  2. Step 2: Convert to fraction form
    6,899.18/9,520.00 = 4,065.93/x
  3. Step 3: Cross multiply
    6,899.18x = 9,520.00 × 4,065.93
  4. Step 4: Simplify right side
    6,899.18x = 38,707,643.44
  5. Step 5: Solve for x
    x = 38,707,643.44/6,899.18
  6. Step 6: Final answer
    x = 5,610.47

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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.