Home / 5,030.85-7,547.58-1,910.91

Finding the Fourth Proportional to 5,030.85, 7,547.58 and 1,910.91

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Solution

The fourth proportional to 5,030.85, 7,547.58 and 1,910.91 is: 2,866.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030.85 : 7,547.58 = 1,910.91 : x
  2. Step 2: Convert to fraction form
    5,030.85/7,547.58 = 1,910.91/x
  3. Step 3: Cross multiply
    5,030.85x = 7,547.58 × 1,910.91
  4. Step 4: Simplify right side
    5,030.85x = 14,422,746.10
  5. Step 5: Solve for x
    x = 14,422,746.10/5,030.85
  6. Step 6: Final answer
    x = 2,866.86

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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.