Home / 8,370.19-11,521.86-7,235.33

Finding the Fourth Proportional to 8,370.19, 11,521.86 and 7,235.33

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Solution

The fourth proportional to 8,370.19, 11,521.86 and 7,235.33 is: 9,959.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.19 : 11,521.86 = 7,235.33 : x
  2. Step 2: Convert to fraction form
    8,370.19/11,521.86 = 7,235.33/x
  3. Step 3: Cross multiply
    8,370.19x = 11,521.86 × 7,235.33
  4. Step 4: Simplify right side
    8,370.19x = 83,364,459.31
  5. Step 5: Solve for x
    x = 83,364,459.31/8,370.19
  6. Step 6: Final answer
    x = 9,959.69

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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.