Home / 7,746.42-11,619.53-1,903.08

Finding the Fourth Proportional to 7,746.42, 11,619.53 and 1,903.08

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Solution

The fourth proportional to 7,746.42, 11,619.53 and 1,903.08 is: 2,854.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,746.42 : 11,619.53 = 1,903.08 : x
  2. Step 2: Convert to fraction form
    7,746.42/11,619.53 = 1,903.08/x
  3. Step 3: Cross multiply
    7,746.42x = 11,619.53 × 1,903.08
  4. Step 4: Simplify right side
    7,746.42x = 22,112,947.05
  5. Step 5: Solve for x
    x = 22,112,947.05/7,746.42
  6. Step 6: Final answer
    x = 2,854.60

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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.