Home / 7,619.76-10,509.35-5,101.07

Finding the Fourth Proportional to 7,619.76, 10,509.35 and 5,101.07

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Solution

The fourth proportional to 7,619.76, 10,509.35 and 5,101.07 is: 7,035.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.76 : 10,509.35 = 5,101.07 : x
  2. Step 2: Convert to fraction form
    7,619.76/10,509.35 = 5,101.07/x
  3. Step 3: Cross multiply
    7,619.76x = 10,509.35 × 5,101.07
  4. Step 4: Simplify right side
    7,619.76x = 53,608,851.95
  5. Step 5: Solve for x
    x = 53,608,851.95/7,619.76
  6. Step 6: Final answer
    x = 7,035.50

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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.