Home / 7,421.98-10,242.08-4,437.14

Finding the Fourth Proportional to 7,421.98, 10,242.08 and 4,437.14

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Solution

The fourth proportional to 7,421.98, 10,242.08 and 4,437.14 is: 6,123.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.98 : 10,242.08 = 4,437.14 : x
  2. Step 2: Convert to fraction form
    7,421.98/10,242.08 = 4,437.14/x
  3. Step 3: Cross multiply
    7,421.98x = 10,242.08 × 4,437.14
  4. Step 4: Simplify right side
    7,421.98x = 45,445,542.85
  5. Step 5: Solve for x
    x = 45,445,542.85/7,421.98
  6. Step 6: Final answer
    x = 6,123.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.