Home / 7,802.45-10,767.99-4,445.40

Finding the Fourth Proportional to 7,802.45, 10,767.99 and 4,445.40

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Solution

The fourth proportional to 7,802.45, 10,767.99 and 4,445.40 is: 6,135.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,802.45 : 10,767.99 = 4,445.40 : x
  2. Step 2: Convert to fraction form
    7,802.45/10,767.99 = 4,445.40/x
  3. Step 3: Cross multiply
    7,802.45x = 10,767.99 × 4,445.40
  4. Step 4: Simplify right side
    7,802.45x = 47,868,022.75
  5. Step 5: Solve for x
    x = 47,868,022.75/7,802.45
  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.