Home / 7,424.98-11,119.80-4,298.40

Finding the Fourth Proportional to 7,424.98, 11,119.80 and 4,298.40

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Solution

The fourth proportional to 7,424.98, 11,119.80 and 4,298.40 is: 6,437.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.98 : 11,119.80 = 4,298.40 : x
  2. Step 2: Convert to fraction form
    7,424.98/11,119.80 = 4,298.40/x
  3. Step 3: Cross multiply
    7,424.98x = 11,119.80 × 4,298.40
  4. Step 4: Simplify right side
    7,424.98x = 47,797,348.32
  5. Step 5: Solve for x
    x = 47,797,348.32/7,424.98
  6. Step 6: Final answer
    x = 6,437.37

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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.