Home / 5,384.04-8,075.04-1,487.40

Finding the Fourth Proportional to 5,384.04, 8,075.04 and 1,487.40

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Solution

The fourth proportional to 5,384.04, 8,075.04 and 1,487.40 is: 2,230.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384.04 : 8,075.04 = 1,487.40 : x
  2. Step 2: Convert to fraction form
    5,384.04/8,075.04 = 1,487.40/x
  3. Step 3: Cross multiply
    5,384.04x = 8,075.04 × 1,487.40
  4. Step 4: Simplify right side
    5,384.04x = 12,010,814.50
  5. Step 5: Solve for x
    x = 12,010,814.50/5,384.04
  6. Step 6: Final answer
    x = 2,230.82

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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.