Home / 5,225.51-7,838.78-1,527.76

Finding the Fourth Proportional to 5,225.51, 7,838.78 and 1,527.76

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Solution

The fourth proportional to 5,225.51, 7,838.78 and 1,527.76 is: 2,291.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.51 : 7,838.78 = 1,527.76 : x
  2. Step 2: Convert to fraction form
    5,225.51/7,838.78 = 1,527.76/x
  3. Step 3: Cross multiply
    5,225.51x = 7,838.78 × 1,527.76
  4. Step 4: Simplify right side
    5,225.51x = 11,975,776.69
  5. Step 5: Solve for x
    x = 11,975,776.69/5,225.51
  6. Step 6: Final answer
    x = 2,291.79

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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.