Home / 7,286.04-10,879.60-5,788.40

Finding the Fourth Proportional to 7,286.04, 10,879.60 and 5,788.40

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Solution

The fourth proportional to 7,286.04, 10,879.60 and 5,788.40 is: 8,643.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.04 : 10,879.60 = 5,788.40 : x
  2. Step 2: Convert to fraction form
    7,286.04/10,879.60 = 5,788.40/x
  3. Step 3: Cross multiply
    7,286.04x = 10,879.60 × 5,788.40
  4. Step 4: Simplify right side
    7,286.04x = 62,975,476.64
  5. Step 5: Solve for x
    x = 62,975,476.64/7,286.04
  6. Step 6: Final answer
    x = 8,643.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.