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Finding the Fourth Proportional to 5,607, 7,740.09 and 3,512.34

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Solution

The fourth proportional to 5,607, 7,740.09 and 3,512.34 is: 4,848.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,607 : 7,740.09 = 3,512.34 : x
  2. Step 2: Convert to fraction form
    5,607/7,740.09 = 3,512.34/x
  3. Step 3: Cross multiply
    5,607x = 7,740.09 × 3,512.34
  4. Step 4: Simplify right side
    5,607x = 27,185,827.71
  5. Step 5: Solve for x
    x = 27,185,827.71/5,607
  6. Step 6: Final answer
    x = 4,848.55

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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.