Home / 4,688.51-7,032.63-1,225.76

Finding the Fourth Proportional to 4,688.51, 7,032.63 and 1,225.76

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Solution

The fourth proportional to 4,688.51, 7,032.63 and 1,225.76 is: 1,838.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.51 : 7,032.63 = 1,225.76 : x
  2. Step 2: Convert to fraction form
    4,688.51/7,032.63 = 1,225.76/x
  3. Step 3: Cross multiply
    4,688.51x = 7,032.63 × 1,225.76
  4. Step 4: Simplify right side
    4,688.51x = 8,620,316.55
  5. Step 5: Solve for x
    x = 8,620,316.55/4,688.51
  6. Step 6: Final answer
    x = 1,838.60

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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.