Home / 5,852.80-8,774.40-2,389.12

Finding the Fourth Proportional to 5,852.80, 8,774.40 and 2,389.12

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Solution

The fourth proportional to 5,852.80, 8,774.40 and 2,389.12 is: 3,581.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,852.80 : 8,774.40 = 2,389.12 : x
  2. Step 2: Convert to fraction form
    5,852.80/8,774.40 = 2,389.12/x
  3. Step 3: Cross multiply
    5,852.80x = 8,774.40 × 2,389.12
  4. Step 4: Simplify right side
    5,852.80x = 20,963,094.53
  5. Step 5: Solve for x
    x = 20,963,094.53/5,852.80
  6. Step 6: Final answer
    x = 3,581.72

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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.