Home / 6,423.36-9,623.25-5,389.98

Finding the Fourth Proportional to 6,423.36, 9,623.25 and 5,389.98

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Solution

The fourth proportional to 6,423.36, 9,623.25 and 5,389.98 is: 8,075.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423.36 : 9,623.25 = 5,389.98 : x
  2. Step 2: Convert to fraction form
    6,423.36/9,623.25 = 5,389.98/x
  3. Step 3: Cross multiply
    6,423.36x = 9,623.25 × 5,389.98
  4. Step 4: Simplify right side
    6,423.36x = 51,869,125.04
  5. Step 5: Solve for x
    x = 51,869,125.04/6,423.36
  6. Step 6: Final answer
    x = 8,075.08

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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.