Home / 5,855.80-8,783.70-2,565.40

Finding the Fourth Proportional to 5,855.80, 8,783.70 and 2,565.40

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Solution

The fourth proportional to 5,855.80, 8,783.70 and 2,565.40 is: 3,848.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.80 : 8,783.70 = 2,565.40 : x
  2. Step 2: Convert to fraction form
    5,855.80/8,783.70 = 2,565.40/x
  3. Step 3: Cross multiply
    5,855.80x = 8,783.70 × 2,565.40
  4. Step 4: Simplify right side
    5,855.80x = 22,533,703.98
  5. Step 5: Solve for x
    x = 22,533,703.98/5,855.80
  6. Step 6: Final answer
    x = 3,848.10

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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.