Home / 10,520.84-15,759.92-4,890.62

Finding the Fourth Proportional to 10,520.84, 15,759.92 and 4,890.62

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Solution

The fourth proportional to 10,520.84, 15,759.92 and 4,890.62 is: 7,326.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,520.84 : 15,759.92 = 4,890.62 : x
  2. Step 2: Convert to fraction form
    10,520.84/15,759.92 = 4,890.62/x
  3. Step 3: Cross multiply
    10,520.84x = 15,759.92 × 4,890.62
  4. Step 4: Simplify right side
    10,520.84x = 77,075,779.95
  5. Step 5: Solve for x
    x = 77,075,779.95/10,520.84
  6. Step 6: Final answer
    x = 7,326.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.