Home / 7,360.68-10,159.88-4,378.60

Finding the Fourth Proportional to 7,360.68, 10,159.88 and 4,378.60

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Solution

The fourth proportional to 7,360.68, 10,159.88 and 4,378.60 is: 6,043.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,360.68 : 10,159.88 = 4,378.60 : x
  2. Step 2: Convert to fraction form
    7,360.68/10,159.88 = 4,378.60/x
  3. Step 3: Cross multiply
    7,360.68x = 10,159.88 × 4,378.60
  4. Step 4: Simplify right side
    7,360.68x = 44,486,050.57
  5. Step 5: Solve for x
    x = 44,486,050.57/7,360.68
  6. Step 6: Final answer
    x = 6,043.74

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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.