Home / 6,479.13-9,705.79-4,993.16

Finding the Fourth Proportional to 6,479.13, 9,705.79 and 4,993.16

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Solution

The fourth proportional to 6,479.13, 9,705.79 and 4,993.16 is: 7,479.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,479.13 : 9,705.79 = 4,993.16 : x
  2. Step 2: Convert to fraction form
    6,479.13/9,705.79 = 4,993.16/x
  3. Step 3: Cross multiply
    6,479.13x = 9,705.79 × 4,993.16
  4. Step 4: Simplify right side
    6,479.13x = 48,462,574.18
  5. Step 5: Solve for x
    x = 48,462,574.18/6,479.13
  6. Step 6: Final answer
    x = 7,479.80

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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.