Home / 4,369.78-6,547.37-1,900.90

Finding the Fourth Proportional to 4,369.78, 6,547.37 and 1,900.90

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Solution

The fourth proportional to 4,369.78, 6,547.37 and 1,900.90 is: 2,848.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,369.78 : 6,547.37 = 1,900.90 : x
  2. Step 2: Convert to fraction form
    4,369.78/6,547.37 = 1,900.90/x
  3. Step 3: Cross multiply
    4,369.78x = 6,547.37 × 1,900.90
  4. Step 4: Simplify right side
    4,369.78x = 12,445,895.63
  5. Step 5: Solve for x
    x = 12,445,895.63/4,369.78
  6. Step 6: Final answer
    x = 2,848.17

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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.