Home / 5,810.02-8,017.81-3,157.40

Finding the Fourth Proportional to 5,810.02, 8,017.81 and 3,157.40

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Solution

The fourth proportional to 5,810.02, 8,017.81 and 3,157.40 is: 4,357.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.02 : 8,017.81 = 3,157.40 : x
  2. Step 2: Convert to fraction form
    5,810.02/8,017.81 = 3,157.40/x
  3. Step 3: Cross multiply
    5,810.02x = 8,017.81 × 3,157.40
  4. Step 4: Simplify right side
    5,810.02x = 25,315,445.45
  5. Step 5: Solve for x
    x = 25,315,445.45/5,810.02
  6. Step 6: Final answer
    x = 4,357.21

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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.