Home / 8,686.44-13,030.92-4,303.80

Finding the Fourth Proportional to 8,686.44, 13,030.92 and 4,303.80

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Solution

The fourth proportional to 8,686.44, 13,030.92 and 4,303.80 is: 6,456.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686.44 : 13,030.92 = 4,303.80 : x
  2. Step 2: Convert to fraction form
    8,686.44/13,030.92 = 4,303.80/x
  3. Step 3: Cross multiply
    8,686.44x = 13,030.92 × 4,303.80
  4. Step 4: Simplify right side
    8,686.44x = 56,082,473.50
  5. Step 5: Solve for x
    x = 56,082,473.50/8,686.44
  6. Step 6: Final answer
    x = 6,456.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.