Home / 5,225.69-7,838.73-1,715.90

Finding the Fourth Proportional to 5,225.69, 7,838.73 and 1,715.90

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Solution

The fourth proportional to 5,225.69, 7,838.73 and 1,715.90 is: 2,573.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.69 : 7,838.73 = 1,715.90 : x
  2. Step 2: Convert to fraction form
    5,225.69/7,838.73 = 1,715.90/x
  3. Step 3: Cross multiply
    5,225.69x = 7,838.73 × 1,715.90
  4. Step 4: Simplify right side
    5,225.69x = 13,450,437.61
  5. Step 5: Solve for x
    x = 13,450,437.61/5,225.69
  6. Step 6: Final answer
    x = 2,573.91

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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.