Home / 7,570.62-10,445.85-4,774.50

Finding the Fourth Proportional to 7,570.62, 10,445.85 and 4,774.50

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Solution

The fourth proportional to 7,570.62, 10,445.85 and 4,774.50 is: 6,587.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,570.62 : 10,445.85 = 4,774.50 : x
  2. Step 2: Convert to fraction form
    7,570.62/10,445.85 = 4,774.50/x
  3. Step 3: Cross multiply
    7,570.62x = 10,445.85 × 4,774.50
  4. Step 4: Simplify right side
    7,570.62x = 49,873,710.83
  5. Step 5: Solve for x
    x = 49,873,710.83/7,570.62
  6. Step 6: Final answer
    x = 6,587.80

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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.