Home / 6,379.16-8,794.77-4,386.20

Finding the Fourth Proportional to 6,379.16, 8,794.77 and 4,386.20

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Solution

The fourth proportional to 6,379.16, 8,794.77 and 4,386.20 is: 6,047.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379.16 : 8,794.77 = 4,386.20 : x
  2. Step 2: Convert to fraction form
    6,379.16/8,794.77 = 4,386.20/x
  3. Step 3: Cross multiply
    6,379.16x = 8,794.77 × 4,386.20
  4. Step 4: Simplify right side
    6,379.16x = 38,575,620.17
  5. Step 5: Solve for x
    x = 38,575,620.17/6,379.16
  6. Step 6: Final answer
    x = 6,047.13

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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.