Home / 7,721.64-10,656.28-4,364.58

Finding the Fourth Proportional to 7,721.64, 10,656.28 and 4,364.58

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Solution

The fourth proportional to 7,721.64, 10,656.28 and 4,364.58 is: 6,023.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721.64 : 10,656.28 = 4,364.58 : x
  2. Step 2: Convert to fraction form
    7,721.64/10,656.28 = 4,364.58/x
  3. Step 3: Cross multiply
    7,721.64x = 10,656.28 × 4,364.58
  4. Step 4: Simplify right side
    7,721.64x = 46,510,186.56
  5. Step 5: Solve for x
    x = 46,510,186.56/7,721.64
  6. Step 6: Final answer
    x = 6,023.36

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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.