Home / 7,870.43-10,861.24-4,333.64

Finding the Fourth Proportional to 7,870.43, 10,861.24 and 4,333.64

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Solution

The fourth proportional to 7,870.43, 10,861.24 and 4,333.64 is: 5,980.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,870.43 : 10,861.24 = 4,333.64 : x
  2. Step 2: Convert to fraction form
    7,870.43/10,861.24 = 4,333.64/x
  3. Step 3: Cross multiply
    7,870.43x = 10,861.24 × 4,333.64
  4. Step 4: Simplify right side
    7,870.43x = 47,068,720.43
  5. Step 5: Solve for x
    x = 47,068,720.43/7,870.43
  6. Step 6: Final answer
    x = 5,980.45

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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.