Home / 7,159.26-9,877.40-4,643.34

Finding the Fourth Proportional to 7,159.26, 9,877.40 and 4,643.34

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Solution

The fourth proportional to 7,159.26, 9,877.40 and 4,643.34 is: 6,406.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.26 : 9,877.40 = 4,643.34 : x
  2. Step 2: Convert to fraction form
    7,159.26/9,877.40 = 4,643.34/x
  3. Step 3: Cross multiply
    7,159.26x = 9,877.40 × 4,643.34
  4. Step 4: Simplify right side
    7,159.26x = 45,864,126.52
  5. Step 5: Solve for x
    x = 45,864,126.52/7,159.26
  6. Step 6: Final answer
    x = 6,406.27

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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.