Home / 5,323.54-7,988.95-1,860.79

Finding the Fourth Proportional to 5,323.54, 7,988.95 and 1,860.79

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Solution

The fourth proportional to 5,323.54, 7,988.95 and 1,860.79 is: 2,792.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,323.54 : 7,988.95 = 1,860.79 : x
  2. Step 2: Convert to fraction form
    5,323.54/7,988.95 = 1,860.79/x
  3. Step 3: Cross multiply
    5,323.54x = 7,988.95 × 1,860.79
  4. Step 4: Simplify right side
    5,323.54x = 14,865,758.27
  5. Step 5: Solve for x
    x = 14,865,758.27/5,323.54
  6. Step 6: Final answer
    x = 2,792.46

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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.