Home / 6,400.58-8,830.95-4,165.74

Finding the Fourth Proportional to 6,400.58, 8,830.95 and 4,165.74

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Solution

The fourth proportional to 6,400.58, 8,830.95 and 4,165.74 is: 5,747.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,400.58 : 8,830.95 = 4,165.74 : x
  2. Step 2: Convert to fraction form
    6,400.58/8,830.95 = 4,165.74/x
  3. Step 3: Cross multiply
    6,400.58x = 8,830.95 × 4,165.74
  4. Step 4: Simplify right side
    6,400.58x = 36,787,441.65
  5. Step 5: Solve for x
    x = 36,787,441.65/6,400.58
  6. Step 6: Final answer
    x = 5,747.52

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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.