Home / 4,291.40-6,437.01-1,171.35

Finding the Fourth Proportional to 4,291.40, 6,437.01 and 1,171.35

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Solution

The fourth proportional to 4,291.40, 6,437.01 and 1,171.35 is: 1,757.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291.40 : 6,437.01 = 1,171.35 : x
  2. Step 2: Convert to fraction form
    4,291.40/6,437.01 = 1,171.35/x
  3. Step 3: Cross multiply
    4,291.40x = 6,437.01 × 1,171.35
  4. Step 4: Simplify right side
    4,291.40x = 7,539,985.81
  5. Step 5: Solve for x
    x = 7,539,985.81/4,291.40
  6. Step 6: Final answer
    x = 1,757.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.