Home / 6,378.02-8,801.67-3,545.65

Finding the Fourth Proportional to 6,378.02, 8,801.67 and 3,545.65

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Solution

The fourth proportional to 6,378.02, 8,801.67 and 3,545.65 is: 4,893.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.02 : 8,801.67 = 3,545.65 : x
  2. Step 2: Convert to fraction form
    6,378.02/8,801.67 = 3,545.65/x
  3. Step 3: Cross multiply
    6,378.02x = 8,801.67 × 3,545.65
  4. Step 4: Simplify right side
    6,378.02x = 31,207,641.24
  5. Step 5: Solve for x
    x = 31,207,641.24/6,378.02
  6. Step 6: Final answer
    x = 4,893.00

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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.