Home / 6,376.08-8,798.70-3,543.65

Finding the Fourth Proportional to 6,376.08, 8,798.70 and 3,543.65

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Solution

The fourth proportional to 6,376.08, 8,798.70 and 3,543.65 is: 4,890.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,376.08 : 8,798.70 = 3,543.65 : x
  2. Step 2: Convert to fraction form
    6,376.08/8,798.70 = 3,543.65/x
  3. Step 3: Cross multiply
    6,376.08x = 8,798.70 × 3,543.65
  4. Step 4: Simplify right side
    6,376.08x = 31,179,513.26
  5. Step 5: Solve for x
    x = 31,179,513.26/6,376.08
  6. Step 6: Final answer
    x = 4,890.08

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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.