Home / 7,888.40-11,829.36-2,955.50

Finding the Fourth Proportional to 7,888.40, 11,829.36 and 2,955.50

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Solution

The fourth proportional to 7,888.40, 11,829.36 and 2,955.50 is: 4,432.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888.40 : 11,829.36 = 2,955.50 : x
  2. Step 2: Convert to fraction form
    7,888.40/11,829.36 = 2,955.50/x
  3. Step 3: Cross multiply
    7,888.40x = 11,829.36 × 2,955.50
  4. Step 4: Simplify right side
    7,888.40x = 34,961,703.05
  5. Step 5: Solve for x
    x = 34,961,703.05/7,888.40
  6. Step 6: Final answer
    x = 4,432.04

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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.