Home / 5,618.40-8,417.07-4,699.86

Finding the Fourth Proportional to 5,618.40, 8,417.07 and 4,699.86

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Solution

The fourth proportional to 5,618.40, 8,417.07 and 4,699.86 is: 7,040.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.40 : 8,417.07 = 4,699.86 : x
  2. Step 2: Convert to fraction form
    5,618.40/8,417.07 = 4,699.86/x
  3. Step 3: Cross multiply
    5,618.40x = 8,417.07 × 4,699.86
  4. Step 4: Simplify right side
    5,618.40x = 39,559,050.61
  5. Step 5: Solve for x
    x = 39,559,050.61/5,618.40
  6. Step 6: Final answer
    x = 7,040.98

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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.