Home / 7,808.08-10,774.56-4,271.20

Finding the Fourth Proportional to 7,808.08, 10,774.56 and 4,271.20

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Solution

The fourth proportional to 7,808.08, 10,774.56 and 4,271.20 is: 5,893.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,808.08 : 10,774.56 = 4,271.20 : x
  2. Step 2: Convert to fraction form
    7,808.08/10,774.56 = 4,271.20/x
  3. Step 3: Cross multiply
    7,808.08x = 10,774.56 × 4,271.20
  4. Step 4: Simplify right side
    7,808.08x = 46,020,300.67
  5. Step 5: Solve for x
    x = 46,020,300.67/7,808.08
  6. Step 6: Final answer
    x = 5,893.93

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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.