Home / 7,724.95-10,661.76-4,368.80

Finding the Fourth Proportional to 7,724.95, 10,661.76 and 4,368.80

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Solution

The fourth proportional to 7,724.95, 10,661.76 and 4,368.80 is: 6,029.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.95 : 10,661.76 = 4,368.80 : x
  2. Step 2: Convert to fraction form
    7,724.95/10,661.76 = 4,368.80/x
  3. Step 3: Cross multiply
    7,724.95x = 10,661.76 × 4,368.80
  4. Step 4: Simplify right side
    7,724.95x = 46,579,123.74
  5. Step 5: Solve for x
    x = 46,579,123.74/7,724.95
  6. Step 6: Final answer
    x = 6,029.70

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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.