Home / 7,519.61-10,379.14-4,376.40

Finding the Fourth Proportional to 7,519.61, 10,379.14 and 4,376.40

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Solution

The fourth proportional to 7,519.61, 10,379.14 and 4,376.40 is: 6,040.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.61 : 10,379.14 = 4,376.40 : x
  2. Step 2: Convert to fraction form
    7,519.61/10,379.14 = 4,376.40/x
  3. Step 3: Cross multiply
    7,519.61x = 10,379.14 × 4,376.40
  4. Step 4: Simplify right side
    7,519.61x = 45,423,268.30
  5. Step 5: Solve for x
    x = 45,423,268.30/7,519.61
  6. Step 6: Final answer
    x = 6,040.64

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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.