Home / 7,479.05-10,317.30-5,707.58

Finding the Fourth Proportional to 7,479.05, 10,317.30 and 5,707.58

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Solution

The fourth proportional to 7,479.05, 10,317.30 and 5,707.58 is: 7,873.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.05 : 10,317.30 = 5,707.58 : x
  2. Step 2: Convert to fraction form
    7,479.05/10,317.30 = 5,707.58/x
  3. Step 3: Cross multiply
    7,479.05x = 10,317.30 × 5,707.58
  4. Step 4: Simplify right side
    7,479.05x = 58,886,816.23
  5. Step 5: Solve for x
    x = 58,886,816.23/7,479.05
  6. Step 6: Final answer
    x = 7,873.57

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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.