Home / 5,715.36-8,571.93-1,554.80

Finding the Fourth Proportional to 5,715.36, 8,571.93 and 1,554.80

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Solution

The fourth proportional to 5,715.36, 8,571.93 and 1,554.80 is: 2,331.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.36 : 8,571.93 = 1,554.80 : x
  2. Step 2: Convert to fraction form
    5,715.36/8,571.93 = 1,554.80/x
  3. Step 3: Cross multiply
    5,715.36x = 8,571.93 × 1,554.80
  4. Step 4: Simplify right side
    5,715.36x = 13,327,588.07
  5. Step 5: Solve for x
    x = 13,327,588.07/5,715.36
  6. Step 6: Final answer
    x = 2,331.89

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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.