Home / 8,328.34-12,490.68-4,810.91

Finding the Fourth Proportional to 8,328.34, 12,490.68 and 4,810.91

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Solution

The fourth proportional to 8,328.34, 12,490.68 and 4,810.91 is: 7,215.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328.34 : 12,490.68 = 4,810.91 : x
  2. Step 2: Convert to fraction form
    8,328.34/12,490.68 = 4,810.91/x
  3. Step 3: Cross multiply
    8,328.34x = 12,490.68 × 4,810.91
  4. Step 4: Simplify right side
    8,328.34x = 60,091,537.32
  5. Step 5: Solve for x
    x = 60,091,537.32/8,328.34
  6. Step 6: Final answer
    x = 7,215.31

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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.