Home / 4,557.08-6,289.44-2,788.40

Finding the Fourth Proportional to 4,557.08, 6,289.44 and 2,788.40

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Solution

The fourth proportional to 4,557.08, 6,289.44 and 2,788.40 is: 3,848.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,557.08 : 6,289.44 = 2,788.40 : x
  2. Step 2: Convert to fraction form
    4,557.08/6,289.44 = 2,788.40/x
  3. Step 3: Cross multiply
    4,557.08x = 6,289.44 × 2,788.40
  4. Step 4: Simplify right side
    4,557.08x = 17,537,474.50
  5. Step 5: Solve for x
    x = 17,537,474.50/4,557.08
  6. Step 6: Final answer
    x = 3,848.40

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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.