Home / 7,619.90-10,516-4,263.04

Finding the Fourth Proportional to 7,619.90, 10,516 and 4,263.04

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Solution

The fourth proportional to 7,619.90, 10,516 and 4,263.04 is: 5,883.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.90 : 10,516 = 4,263.04 : x
  2. Step 2: Convert to fraction form
    7,619.90/10,516 = 4,263.04/x
  3. Step 3: Cross multiply
    7,619.90x = 10,516 × 4,263.04
  4. Step 4: Simplify right side
    7,619.90x = 44,830,128.64
  5. Step 5: Solve for x
    x = 44,830,128.64/7,619.90
  6. Step 6: Final answer
    x = 5,883.30

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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.