Home / 7,712.04-11,567.95-1,868.70

Finding the Fourth Proportional to 7,712.04, 11,567.95 and 1,868.70

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Solution

The fourth proportional to 7,712.04, 11,567.95 and 1,868.70 is: 2,803.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,712.04 : 11,567.95 = 1,868.70 : x
  2. Step 2: Convert to fraction form
    7,712.04/11,567.95 = 1,868.70/x
  3. Step 3: Cross multiply
    7,712.04x = 11,567.95 × 1,868.70
  4. Step 4: Simplify right side
    7,712.04x = 21,616,970.33
  5. Step 5: Solve for x
    x = 21,616,970.33/7,712.04
  6. Step 6: Final answer
    x = 2,803.02

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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.