Home / 6,384.80-8,810.40-3,590.24

Finding the Fourth Proportional to 6,384.80, 8,810.40 and 3,590.24

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Solution

The fourth proportional to 6,384.80, 8,810.40 and 3,590.24 is: 4,954.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,384.80 : 8,810.40 = 3,590.24 : x
  2. Step 2: Convert to fraction form
    6,384.80/8,810.40 = 3,590.24/x
  3. Step 3: Cross multiply
    6,384.80x = 8,810.40 × 3,590.24
  4. Step 4: Simplify right side
    6,384.80x = 31,631,450.50
  5. Step 5: Solve for x
    x = 31,631,450.50/6,384.80
  6. Step 6: Final answer
    x = 4,954.18

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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.