Home / 4,678.49-7,017.73-1,715.81

Finding the Fourth Proportional to 4,678.49, 7,017.73 and 1,715.81

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Solution

The fourth proportional to 4,678.49, 7,017.73 and 1,715.81 is: 2,573.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.49 : 7,017.73 = 1,715.81 : x
  2. Step 2: Convert to fraction form
    4,678.49/7,017.73 = 1,715.81/x
  3. Step 3: Cross multiply
    4,678.49x = 7,017.73 × 1,715.81
  4. Step 4: Simplify right side
    4,678.49x = 12,041,091.31
  5. Step 5: Solve for x
    x = 12,041,091.31/4,678.49
  6. Step 6: Final answer
    x = 2,573.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.