Home / 8,521.31-12,782.10-2,598.32

Finding the Fourth Proportional to 8,521.31, 12,782.10 and 2,598.32

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Solution

The fourth proportional to 8,521.31, 12,782.10 and 2,598.32 is: 3,897.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521.31 : 12,782.10 = 2,598.32 : x
  2. Step 2: Convert to fraction form
    8,521.31/12,782.10 = 2,598.32/x
  3. Step 3: Cross multiply
    8,521.31x = 12,782.10 × 2,598.32
  4. Step 4: Simplify right side
    8,521.31x = 33,211,922.16
  5. Step 5: Solve for x
    x = 33,211,922.16/8,521.31
  6. Step 6: Final answer
    x = 3,897.52

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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.