Home / 7,516.88-11,275.06-1,970.18

Finding the Fourth Proportional to 7,516.88, 11,275.06 and 1,970.18

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Solution

The fourth proportional to 7,516.88, 11,275.06 and 1,970.18 is: 2,955.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.88 : 11,275.06 = 1,970.18 : x
  2. Step 2: Convert to fraction form
    7,516.88/11,275.06 = 1,970.18/x
  3. Step 3: Cross multiply
    7,516.88x = 11,275.06 × 1,970.18
  4. Step 4: Simplify right side
    7,516.88x = 22,213,897.71
  5. Step 5: Solve for x
    x = 22,213,897.71/7,516.88
  6. Step 6: Final answer
    x = 2,955.20

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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.