Home / 7,148.12-9,873.78-5,263.52

Finding the Fourth Proportional to 7,148.12, 9,873.78 and 5,263.52

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Solution

The fourth proportional to 7,148.12, 9,873.78 and 5,263.52 is: 7,270.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148.12 : 9,873.78 = 5,263.52 : x
  2. Step 2: Convert to fraction form
    7,148.12/9,873.78 = 5,263.52/x
  3. Step 3: Cross multiply
    7,148.12x = 9,873.78 × 5,263.52
  4. Step 4: Simplify right side
    7,148.12x = 51,970,838.51
  5. Step 5: Solve for x
    x = 51,970,838.51/7,148.12
  6. Step 6: Final answer
    x = 7,270.56

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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.