Home / 4,688.91-7,036.47-2,499.21

Finding the Fourth Proportional to 4,688.91, 7,036.47 and 2,499.21

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Solution

The fourth proportional to 4,688.91, 7,036.47 and 2,499.21 is: 3,750.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.91 : 7,036.47 = 2,499.21 : x
  2. Step 2: Convert to fraction form
    4,688.91/7,036.47 = 2,499.21/x
  3. Step 3: Cross multiply
    4,688.91x = 7,036.47 × 2,499.21
  4. Step 4: Simplify right side
    4,688.91x = 17,585,616.19
  5. Step 5: Solve for x
    x = 17,585,616.19/4,688.91
  6. Step 6: Final answer
    x = 3,750.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.