Home / 6,445.69-8,895.08-3,758.50

Finding the Fourth Proportional to 6,445.69, 8,895.08 and 3,758.50

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Solution

The fourth proportional to 6,445.69, 8,895.08 and 3,758.50 is: 5,186.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445.69 : 8,895.08 = 3,758.50 : x
  2. Step 2: Convert to fraction form
    6,445.69/8,895.08 = 3,758.50/x
  3. Step 3: Cross multiply
    6,445.69x = 8,895.08 × 3,758.50
  4. Step 4: Simplify right side
    6,445.69x = 33,432,158.18
  5. Step 5: Solve for x
    x = 33,432,158.18/6,445.69
  6. Step 6: Final answer
    x = 5,186.75

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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.