Home / 5,312.09-7,970.75-3,762.07

Finding the Fourth Proportional to 5,312.09, 7,970.75 and 3,762.07

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Solution

The fourth proportional to 5,312.09, 7,970.75 and 3,762.07 is: 5,644.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.09 : 7,970.75 = 3,762.07 : x
  2. Step 2: Convert to fraction form
    5,312.09/7,970.75 = 3,762.07/x
  3. Step 3: Cross multiply
    5,312.09x = 7,970.75 × 3,762.07
  4. Step 4: Simplify right side
    5,312.09x = 29,986,519.45
  5. Step 5: Solve for x
    x = 29,986,519.45/5,312.09
  6. Step 6: Final answer
    x = 5,644.96

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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.