Home / 7,639.11-10,547.01-5,288.49

Finding the Fourth Proportional to 7,639.11, 10,547.01 and 5,288.49

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Solution

The fourth proportional to 7,639.11, 10,547.01 and 5,288.49 is: 7,301.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.11 : 10,547.01 = 5,288.49 : x
  2. Step 2: Convert to fraction form
    7,639.11/10,547.01 = 5,288.49/x
  3. Step 3: Cross multiply
    7,639.11x = 10,547.01 × 5,288.49
  4. Step 4: Simplify right side
    7,639.11x = 55,777,756.91
  5. Step 5: Solve for x
    x = 55,777,756.91/7,639.11
  6. Step 6: Final answer
    x = 7,301.60

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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.