Home / 8,437.34-12,653.30-2,813.52

Finding the Fourth Proportional to 8,437.34, 12,653.30 and 2,813.52

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Solution

The fourth proportional to 8,437.34, 12,653.30 and 2,813.52 is: 4,219.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.34 : 12,653.30 = 2,813.52 : x
  2. Step 2: Convert to fraction form
    8,437.34/12,653.30 = 2,813.52/x
  3. Step 3: Cross multiply
    8,437.34x = 12,653.30 × 2,813.52
  4. Step 4: Simplify right side
    8,437.34x = 35,600,312.62
  5. Step 5: Solve for x
    x = 35,600,312.62/8,437.34
  6. Step 6: Final answer
    x = 4,219.38

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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.