Home / 4,985.04-6,879.36-2,746.86

Finding the Fourth Proportional to 4,985.04, 6,879.36 and 2,746.86

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Solution

The fourth proportional to 4,985.04, 6,879.36 and 2,746.86 is: 3,790.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.04 : 6,879.36 = 2,746.86 : x
  2. Step 2: Convert to fraction form
    4,985.04/6,879.36 = 2,746.86/x
  3. Step 3: Cross multiply
    4,985.04x = 6,879.36 × 2,746.86
  4. Step 4: Simplify right side
    4,985.04x = 18,896,638.81
  5. Step 5: Solve for x
    x = 18,896,638.81/4,985.04
  6. Step 6: Final answer
    x = 3,790.67

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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.