Home / 7,377.12-10,178.64-4,580.64

Finding the Fourth Proportional to 7,377.12, 10,178.64 and 4,580.64

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Solution

The fourth proportional to 7,377.12, 10,178.64 and 4,580.64 is: 6,320.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.12 : 10,178.64 = 4,580.64 : x
  2. Step 2: Convert to fraction form
    7,377.12/10,178.64 = 4,580.64/x
  3. Step 3: Cross multiply
    7,377.12x = 10,178.64 × 4,580.64
  4. Step 4: Simplify right side
    7,377.12x = 46,624,685.53
  5. Step 5: Solve for x
    x = 46,624,685.53/7,377.12
  6. Step 6: Final answer
    x = 6,320.17

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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.