Home / 9,689.02-13,370.44-5,710.30

Finding the Fourth Proportional to 9,689.02, 13,370.44 and 5,710.30

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Solution

The fourth proportional to 9,689.02, 13,370.44 and 5,710.30 is: 7,879.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,689.02 : 13,370.44 = 5,710.30 : x
  2. Step 2: Convert to fraction form
    9,689.02/13,370.44 = 5,710.30/x
  3. Step 3: Cross multiply
    9,689.02x = 13,370.44 × 5,710.30
  4. Step 4: Simplify right side
    9,689.02x = 76,349,223.53
  5. Step 5: Solve for x
    x = 76,349,223.53/9,689.02
  6. Step 6: Final answer
    x = 7,879.97

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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.