Home / 5,497.36-7,586.04-3,139.72

Finding the Fourth Proportional to 5,497.36, 7,586.04 and 3,139.72

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Solution

The fourth proportional to 5,497.36, 7,586.04 and 3,139.72 is: 4,332.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,497.36 : 7,586.04 = 3,139.72 : x
  2. Step 2: Convert to fraction form
    5,497.36/7,586.04 = 3,139.72/x
  3. Step 3: Cross multiply
    5,497.36x = 7,586.04 × 3,139.72
  4. Step 4: Simplify right side
    5,497.36x = 23,818,041.51
  5. Step 5: Solve for x
    x = 23,818,041.51/5,497.36
  6. Step 6: Final answer
    x = 4,332.63

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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.