Home / 7,421.95-11,123.19-3,034.39

Finding the Fourth Proportional to 7,421.95, 11,123.19 and 3,034.39

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Solution

The fourth proportional to 7,421.95, 11,123.19 and 3,034.39 is: 4,547.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.95 : 11,123.19 = 3,034.39 : x
  2. Step 2: Convert to fraction form
    7,421.95/11,123.19 = 3,034.39/x
  3. Step 3: Cross multiply
    7,421.95x = 11,123.19 × 3,034.39
  4. Step 4: Simplify right side
    7,421.95x = 33,752,096.50
  5. Step 5: Solve for x
    x = 33,752,096.50/7,421.95
  6. Step 6: Final answer
    x = 4,547.60

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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.