Home / 7,790.26-10,749.08-4,646.74

Finding the Fourth Proportional to 7,790.26, 10,749.08 and 4,646.74

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Solution

The fourth proportional to 7,790.26, 10,749.08 and 4,646.74 is: 6,411.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.26 : 10,749.08 = 4,646.74 : x
  2. Step 2: Convert to fraction form
    7,790.26/10,749.08 = 4,646.74/x
  3. Step 3: Cross multiply
    7,790.26x = 10,749.08 × 4,646.74
  4. Step 4: Simplify right side
    7,790.26x = 49,948,180.00
  5. Step 5: Solve for x
    x = 49,948,180.00/7,790.26
  6. Step 6: Final answer
    x = 6,411.62

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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.