Home / 7,484.40-10,329.80-6,223.77

Finding the Fourth Proportional to 7,484.40, 10,329.80 and 6,223.77

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Solution

The fourth proportional to 7,484.40, 10,329.80 and 6,223.77 is: 8,589.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484.40 : 10,329.80 = 6,223.77 : x
  2. Step 2: Convert to fraction form
    7,484.40/10,329.80 = 6,223.77/x
  3. Step 3: Cross multiply
    7,484.40x = 10,329.80 × 6,223.77
  4. Step 4: Simplify right side
    7,484.40x = 64,290,268.23
  5. Step 5: Solve for x
    x = 64,290,268.23/7,484.40
  6. Step 6: Final answer
    x = 8,589.90

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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.