Home / 6,347.06-9,521.22-2,186.51

Finding the Fourth Proportional to 6,347.06, 9,521.22 and 2,186.51

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Solution

The fourth proportional to 6,347.06, 9,521.22 and 2,186.51 is: 3,279.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,347.06 : 9,521.22 = 2,186.51 : x
  2. Step 2: Convert to fraction form
    6,347.06/9,521.22 = 2,186.51/x
  3. Step 3: Cross multiply
    6,347.06x = 9,521.22 × 2,186.51
  4. Step 4: Simplify right side
    6,347.06x = 20,818,242.74
  5. Step 5: Solve for x
    x = 20,818,242.74/6,347.06
  6. Step 6: Final answer
    x = 3,279.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.