Home / 7,802.60-10,767.84-4,445.55

Finding the Fourth Proportional to 7,802.60, 10,767.84 and 4,445.55

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Solution

The fourth proportional to 7,802.60, 10,767.84 and 4,445.55 is: 6,135.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,802.60 : 10,767.84 = 4,445.55 : x
  2. Step 2: Convert to fraction form
    7,802.60/10,767.84 = 4,445.55/x
  3. Step 3: Cross multiply
    7,802.60x = 10,767.84 × 4,445.55
  4. Step 4: Simplify right side
    7,802.60x = 47,868,954.44
  5. Step 5: Solve for x
    x = 47,868,954.44/7,802.60
  6. Step 6: Final answer
    x = 6,135.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.