Home / 6,445.25-8,898.77-4,026.30

Finding the Fourth Proportional to 6,445.25, 8,898.77 and 4,026.30

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Solution

The fourth proportional to 6,445.25, 8,898.77 and 4,026.30 is: 5,559.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445.25 : 8,898.77 = 4,026.30 : x
  2. Step 2: Convert to fraction form
    6,445.25/8,898.77 = 4,026.30/x
  3. Step 3: Cross multiply
    6,445.25x = 8,898.77 × 4,026.30
  4. Step 4: Simplify right side
    6,445.25x = 35,829,117.65
  5. Step 5: Solve for x
    x = 35,829,117.65/6,445.25
  6. Step 6: Final answer
    x = 5,559.00

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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.