Home / 7,869.95-10,862.37-4,888.03

Finding the Fourth Proportional to 7,869.95, 10,862.37 and 4,888.03

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Solution

The fourth proportional to 7,869.95, 10,862.37 and 4,888.03 is: 6,746.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.95 : 10,862.37 = 4,888.03 : x
  2. Step 2: Convert to fraction form
    7,869.95/10,862.37 = 4,888.03/x
  3. Step 3: Cross multiply
    7,869.95x = 10,862.37 × 4,888.03
  4. Step 4: Simplify right side
    7,869.95x = 53,095,590.43
  5. Step 5: Solve for x
    x = 53,095,590.43/7,869.95
  6. Step 6: Final answer
    x = 6,746.63

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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.