Home / 7,723.02-10,657.78-4,579.40

Finding the Fourth Proportional to 7,723.02, 10,657.78 and 4,579.40

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Solution

The fourth proportional to 7,723.02, 10,657.78 and 4,579.40 is: 6,319.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.02 : 10,657.78 = 4,579.40 : x
  2. Step 2: Convert to fraction form
    7,723.02/10,657.78 = 4,579.40/x
  3. Step 3: Cross multiply
    7,723.02x = 10,657.78 × 4,579.40
  4. Step 4: Simplify right side
    7,723.02x = 48,806,237.73
  5. Step 5: Solve for x
    x = 48,806,237.73/7,723.02
  6. Step 6: Final answer
    x = 6,319.58

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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.