Home / 7,408.64-10,225.36-4,759.40

Finding the Fourth Proportional to 7,408.64, 10,225.36 and 4,759.40

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Solution

The fourth proportional to 7,408.64, 10,225.36 and 4,759.40 is: 6,568.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.64 : 10,225.36 = 4,759.40 : x
  2. Step 2: Convert to fraction form
    7,408.64/10,225.36 = 4,759.40/x
  3. Step 3: Cross multiply
    7,408.64x = 10,225.36 × 4,759.40
  4. Step 4: Simplify right side
    7,408.64x = 48,666,578.38
  5. Step 5: Solve for x
    x = 48,666,578.38/7,408.64
  6. Step 6: Final answer
    x = 6,568.90

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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.