Home / 7,030.96-10,547.58-2,648.80

Finding the Fourth Proportional to 7,030.96, 10,547.58 and 2,648.80

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Solution

The fourth proportional to 7,030.96, 10,547.58 and 2,648.80 is: 3,973.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030.96 : 10,547.58 = 2,648.80 : x
  2. Step 2: Convert to fraction form
    7,030.96/10,547.58 = 2,648.80/x
  3. Step 3: Cross multiply
    7,030.96x = 10,547.58 × 2,648.80
  4. Step 4: Simplify right side
    7,030.96x = 27,938,429.90
  5. Step 5: Solve for x
    x = 27,938,429.90/7,030.96
  6. Step 6: Final answer
    x = 3,973.63

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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.