Home / 6,258.30-8,636.47-4,020.19

Finding the Fourth Proportional to 6,258.30, 8,636.47 and 4,020.19

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Solution

The fourth proportional to 6,258.30, 8,636.47 and 4,020.19 is: 5,547.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,258.30 : 8,636.47 = 4,020.19 : x
  2. Step 2: Convert to fraction form
    6,258.30/8,636.47 = 4,020.19/x
  3. Step 3: Cross multiply
    6,258.30x = 8,636.47 × 4,020.19
  4. Step 4: Simplify right side
    6,258.30x = 34,720,289.88
  5. Step 5: Solve for x
    x = 34,720,289.88/6,258.30
  6. Step 6: Final answer
    x = 5,547.88

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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.