Home / 7,422.63-11,132.91-1,875.63

Finding the Fourth Proportional to 7,422.63, 11,132.91 and 1,875.63

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Solution

The fourth proportional to 7,422.63, 11,132.91 and 1,875.63 is: 2,813.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.63 : 11,132.91 = 1,875.63 : x
  2. Step 2: Convert to fraction form
    7,422.63/11,132.91 = 1,875.63/x
  3. Step 3: Cross multiply
    7,422.63x = 11,132.91 × 1,875.63
  4. Step 4: Simplify right side
    7,422.63x = 20,881,219.98
  5. Step 5: Solve for x
    x = 20,881,219.98/7,422.63
  6. Step 6: Final answer
    x = 2,813.18

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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.