Home / 4,985.64-6,881.40-3,413.16

Finding the Fourth Proportional to 4,985.64, 6,881.40 and 3,413.16

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Solution

The fourth proportional to 4,985.64, 6,881.40 and 3,413.16 is: 4,710.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.64 : 6,881.40 = 3,413.16 : x
  2. Step 2: Convert to fraction form
    4,985.64/6,881.40 = 3,413.16/x
  3. Step 3: Cross multiply
    4,985.64x = 6,881.40 × 3,413.16
  4. Step 4: Simplify right side
    4,985.64x = 23,487,319.22
  5. Step 5: Solve for x
    x = 23,487,319.22/4,985.64
  6. Step 6: Final answer
    x = 4,710.99

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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.