Home / 7,118.23-9,820.29-4,729.36

Finding the Fourth Proportional to 7,118.23, 9,820.29 and 4,729.36

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Solution

The fourth proportional to 7,118.23, 9,820.29 and 4,729.36 is: 6,524.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118.23 : 9,820.29 = 4,729.36 : x
  2. Step 2: Convert to fraction form
    7,118.23/9,820.29 = 4,729.36/x
  3. Step 3: Cross multiply
    7,118.23x = 9,820.29 × 4,729.36
  4. Step 4: Simplify right side
    7,118.23x = 46,443,686.71
  5. Step 5: Solve for x
    x = 46,443,686.71/7,118.23
  6. Step 6: Final answer
    x = 6,524.61

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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.