Home / 7,213.08-10,818.40-2,017.76

Finding the Fourth Proportional to 7,213.08, 10,818.40 and 2,017.76

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Solution

The fourth proportional to 7,213.08, 10,818.40 and 2,017.76 is: 3,026.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.08 : 10,818.40 = 2,017.76 : x
  2. Step 2: Convert to fraction form
    7,213.08/10,818.40 = 2,017.76/x
  3. Step 3: Cross multiply
    7,213.08x = 10,818.40 × 2,017.76
  4. Step 4: Simplify right side
    7,213.08x = 21,828,934.78
  5. Step 5: Solve for x
    x = 21,828,934.78/7,213.08
  6. Step 6: Final answer
    x = 3,026.30

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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.