Home / 5,880.20-8,821.51-1,984.50

Finding the Fourth Proportional to 5,880.20, 8,821.51 and 1,984.50

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Solution

The fourth proportional to 5,880.20, 8,821.51 and 1,984.50 is: 2,977.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,880.20 : 8,821.51 = 1,984.50 : x
  2. Step 2: Convert to fraction form
    5,880.20/8,821.51 = 1,984.50/x
  3. Step 3: Cross multiply
    5,880.20x = 8,821.51 × 1,984.50
  4. Step 4: Simplify right side
    5,880.20x = 17,506,281.63
  5. Step 5: Solve for x
    x = 17,506,281.63/5,880.20
  6. Step 6: Final answer
    x = 2,977.16

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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.