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Finding the Fourth Proportional to 7,379.58, 10,174.95 and 6,030.21

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Solution

The fourth proportional to 7,379.58, 10,174.95 and 6,030.21 is: 8,314.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.58 : 10,174.95 = 6,030.21 : x
  2. Step 2: Convert to fraction form
    7,379.58/10,174.95 = 6,030.21/x
  3. Step 3: Cross multiply
    7,379.58x = 10,174.95 × 6,030.21
  4. Step 4: Simplify right side
    7,379.58x = 61,357,085.24
  5. Step 5: Solve for x
    x = 61,357,085.24/7,379.58
  6. Step 6: Final answer
    x = 8,314.44

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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.