Home / 7,870.54-10,861.33-4,333.75

Finding the Fourth Proportional to 7,870.54, 10,861.33 and 4,333.75

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Solution

The fourth proportional to 7,870.54, 10,861.33 and 4,333.75 is: 5,980.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,870.54 : 10,861.33 = 4,333.75 : x
  2. Step 2: Convert to fraction form
    7,870.54/10,861.33 = 4,333.75/x
  3. Step 3: Cross multiply
    7,870.54x = 10,861.33 × 4,333.75
  4. Step 4: Simplify right side
    7,870.54x = 47,070,288.89
  5. Step 5: Solve for x
    x = 47,070,288.89/7,870.54
  6. Step 6: Final answer
    x = 5,980.57

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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.