Home / 5,762.95-8,637.40-2,988.09

Finding the Fourth Proportional to 5,762.95, 8,637.40 and 2,988.09

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Solution

The fourth proportional to 5,762.95, 8,637.40 and 2,988.09 is: 4,478.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,762.95 : 8,637.40 = 2,988.09 : x
  2. Step 2: Convert to fraction form
    5,762.95/8,637.40 = 2,988.09/x
  3. Step 3: Cross multiply
    5,762.95x = 8,637.40 × 2,988.09
  4. Step 4: Simplify right side
    5,762.95x = 25,809,328.57
  5. Step 5: Solve for x
    x = 25,809,328.57/5,762.95
  6. Step 6: Final answer
    x = 4,478.49

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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.