Home / 7,880.76-10,875.30-4,295.75

Finding the Fourth Proportional to 7,880.76, 10,875.30 and 4,295.75

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Solution

The fourth proportional to 7,880.76, 10,875.30 and 4,295.75 is: 5,928.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.76 : 10,875.30 = 4,295.75 : x
  2. Step 2: Convert to fraction form
    7,880.76/10,875.30 = 4,295.75/x
  3. Step 3: Cross multiply
    7,880.76x = 10,875.30 × 4,295.75
  4. Step 4: Simplify right side
    7,880.76x = 46,717,569.98
  5. Step 5: Solve for x
    x = 46,717,569.98/7,880.76
  6. Step 6: Final answer
    x = 5,928.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.