Home / 7,302.31-10,955.28-2,108.18

Finding the Fourth Proportional to 7,302.31, 10,955.28 and 2,108.18

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Solution

The fourth proportional to 7,302.31, 10,955.28 and 2,108.18 is: 3,162.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,302.31 : 10,955.28 = 2,108.18 : x
  2. Step 2: Convert to fraction form
    7,302.31/10,955.28 = 2,108.18/x
  3. Step 3: Cross multiply
    7,302.31x = 10,955.28 × 2,108.18
  4. Step 4: Simplify right side
    7,302.31x = 23,095,702.19
  5. Step 5: Solve for x
    x = 23,095,702.19/7,302.31
  6. Step 6: Final answer
    x = 3,162.79

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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.