Home / 7,817.32-10,788.02-4,280.52

Finding the Fourth Proportional to 7,817.32, 10,788.02 and 4,280.52

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Solution

The fourth proportional to 7,817.32, 10,788.02 and 4,280.52 is: 5,907.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,817.32 : 10,788.02 = 4,280.52 : x
  2. Step 2: Convert to fraction form
    7,817.32/10,788.02 = 4,280.52/x
  3. Step 3: Cross multiply
    7,817.32x = 10,788.02 × 4,280.52
  4. Step 4: Simplify right side
    7,817.32x = 46,178,335.37
  5. Step 5: Solve for x
    x = 46,178,335.37/7,817.32
  6. Step 6: Final answer
    x = 5,907.18

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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.