Home / 5,559.84-7,678.80-4,377.24

Finding the Fourth Proportional to 5,559.84, 7,678.80 and 4,377.24

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Solution

The fourth proportional to 5,559.84, 7,678.80 and 4,377.24 is: 6,045.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,559.84 : 7,678.80 = 4,377.24 : x
  2. Step 2: Convert to fraction form
    5,559.84/7,678.80 = 4,377.24/x
  3. Step 3: Cross multiply
    5,559.84x = 7,678.80 × 4,377.24
  4. Step 4: Simplify right side
    5,559.84x = 33,611,950.51
  5. Step 5: Solve for x
    x = 33,611,950.51/5,559.84
  6. Step 6: Final answer
    x = 6,045.49

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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.