Home / 7,581.42-11,359.98-4,284.72

Finding the Fourth Proportional to 7,581.42, 11,359.98 and 4,284.72

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Solution

The fourth proportional to 7,581.42, 11,359.98 and 4,284.72 is: 6,420.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.42 : 11,359.98 = 4,284.72 : x
  2. Step 2: Convert to fraction form
    7,581.42/11,359.98 = 4,284.72/x
  3. Step 3: Cross multiply
    7,581.42x = 11,359.98 × 4,284.72
  4. Step 4: Simplify right side
    7,581.42x = 48,674,333.51
  5. Step 5: Solve for x
    x = 48,674,333.51/7,581.42
  6. Step 6: Final answer
    x = 6,420.21

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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.