Home / 7,565.77-10,440.53-4,379.60

Finding the Fourth Proportional to 7,565.77, 10,440.53 and 4,379.60

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Solution

The fourth proportional to 7,565.77, 10,440.53 and 4,379.60 is: 6,043.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,565.77 : 10,440.53 = 4,379.60 : x
  2. Step 2: Convert to fraction form
    7,565.77/10,440.53 = 4,379.60/x
  3. Step 3: Cross multiply
    7,565.77x = 10,440.53 × 4,379.60
  4. Step 4: Simplify right side
    7,565.77x = 45,725,365.81
  5. Step 5: Solve for x
    x = 45,725,365.81/7,565.77
  6. Step 6: Final answer
    x = 6,043.72

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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.