Home / 5,225.58-7,838.40-1,527.84

Finding the Fourth Proportional to 5,225.58, 7,838.40 and 1,527.84

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Solution

The fourth proportional to 5,225.58, 7,838.40 and 1,527.84 is: 2,291.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.58 : 7,838.40 = 1,527.84 : x
  2. Step 2: Convert to fraction form
    5,225.58/7,838.40 = 1,527.84/x
  3. Step 3: Cross multiply
    5,225.58x = 7,838.40 × 1,527.84
  4. Step 4: Simplify right side
    5,225.58x = 11,975,821.06
  5. Step 5: Solve for x
    x = 11,975,821.06/5,225.58
  6. Step 6: Final answer
    x = 2,291.77

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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.