Home / 4,880.60-7,320.96-1,762.84

Finding the Fourth Proportional to 4,880.60, 7,320.96 and 1,762.84

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Solution

The fourth proportional to 4,880.60, 7,320.96 and 1,762.84 is: 2,644.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.60 : 7,320.96 = 1,762.84 : x
  2. Step 2: Convert to fraction form
    4,880.60/7,320.96 = 1,762.84/x
  3. Step 3: Cross multiply
    4,880.60x = 7,320.96 × 1,762.84
  4. Step 4: Simplify right side
    4,880.60x = 12,905,681.13
  5. Step 5: Solve for x
    x = 12,905,681.13/4,880.60
  6. Step 6: Final answer
    x = 2,644.28

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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.