Home / 7,519.76-10,382.36-4,688.28

Finding the Fourth Proportional to 7,519.76, 10,382.36 and 4,688.28

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Solution

The fourth proportional to 7,519.76, 10,382.36 and 4,688.28 is: 6,473.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.76 : 10,382.36 = 4,688.28 : x
  2. Step 2: Convert to fraction form
    7,519.76/10,382.36 = 4,688.28/x
  3. Step 3: Cross multiply
    7,519.76x = 10,382.36 × 4,688.28
  4. Step 4: Simplify right side
    7,519.76x = 48,675,410.74
  5. Step 5: Solve for x
    x = 48,675,410.74/7,519.76
  6. Step 6: Final answer
    x = 6,473.00

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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.