Home / 7,664.81-10,577.39-4,307.59

Finding the Fourth Proportional to 7,664.81, 10,577.39 and 4,307.59

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Solution

The fourth proportional to 7,664.81, 10,577.39 and 4,307.59 is: 5,944.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.81 : 10,577.39 = 4,307.59 : x
  2. Step 2: Convert to fraction form
    7,664.81/10,577.39 = 4,307.59/x
  3. Step 3: Cross multiply
    7,664.81x = 10,577.39 × 4,307.59
  4. Step 4: Simplify right side
    7,664.81x = 45,563,093.21
  5. Step 5: Solve for x
    x = 45,563,093.21/7,664.81
  6. Step 6: Final answer
    x = 5,944.45

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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.