Home / 7,880.91-10,875.69-4,344.05

Finding the Fourth Proportional to 7,880.91, 10,875.69 and 4,344.05

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Solution

The fourth proportional to 7,880.91, 10,875.69 and 4,344.05 is: 5,994.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.91 : 10,875.69 = 4,344.05 : x
  2. Step 2: Convert to fraction form
    7,880.91/10,875.69 = 4,344.05/x
  3. Step 3: Cross multiply
    7,880.91x = 10,875.69 × 4,344.05
  4. Step 4: Simplify right side
    7,880.91x = 47,244,486.77
  5. Step 5: Solve for x
    x = 47,244,486.77/7,880.91
  6. Step 6: Final answer
    x = 5,994.80

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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.