Home / 7,579.50-10,456.74-4,745.70

Finding the Fourth Proportional to 7,579.50, 10,456.74 and 4,745.70

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Solution

The fourth proportional to 7,579.50, 10,456.74 and 4,745.70 is: 6,547.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.50 : 10,456.74 = 4,745.70 : x
  2. Step 2: Convert to fraction form
    7,579.50/10,456.74 = 4,745.70/x
  3. Step 3: Cross multiply
    7,579.50x = 10,456.74 × 4,745.70
  4. Step 4: Simplify right side
    7,579.50x = 49,624,551.02
  5. Step 5: Solve for x
    x = 49,624,551.02/7,579.50
  6. Step 6: Final answer
    x = 6,547.21

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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.